There are 7 iiser institute in india and they are present in states like odisha, madhya pradesh, west bengal, punjab, maharashtra, kerala and andhra pradesh. 

the admissions in these institutes are not easy and some additional cut off scores of kvpy fellowship or jee advanced rank within 10,000 may be applied.

The admissions process will start in april 2019 and the computer based test will likely be held in june 2019.

I hope it helps. Thanks. 

Hi Sabyasachi

7 colleges in India accept IISER

Here is a list : 

1. IISER Behrampur : 100 seats

2. IISER Bhopal : 200 seats

3. IISER Kolkata : 200 seats

4. IISER Pune : 200 seats

5. IISER Mohali : 200 seats

6. IISER Thiruvananthapuram : 200 seats

7. IISER Tirupati : 125 seats

Hope this helps you!